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BC25 AT 命令手册
上海移远通信技术股份有限公司 3 / 97
目录
文档历史 ....................................................................................................................................................... 2
目录 .............................................................................................................................................................. 3
表格索引 ....................................................................................................................................................... 5
1 引言 ....................................................................................................................................................... 6
1.1. 定义 ............................................................................................................................................ 6
1.2. AT 命令语法 ................................................................................................................................ 6
1.3. 3GPP 命令 .................................................................................................................................. 7
2 通用命令 ................................................................................................................................................ 8
2.1. ATI 显示产品标识信息 ............................................................................................................. 8
2.2. ATE 设置命令的回显模式 ........................................................................................................ 9
2.3. AT&W 储存当前参数到用户定义的配置文件 ......................................................................... 10
2.4. AT+CGMI 请求制造商标识 .................................................................................................... 10
2.5. AT+CGMM 请求模块标识 ....................................................................................................... 11
2.6. AT+CGMR 请求制造商版本号 ............................................................................................... 12
2.7. AT+CGSN 请求产品序列号 ................................................................................................... 13
2.8. AT+CMEE 设置错误码上报 ................................................................................................... 15
3 串行接口控制命令 ............................................................................................................................... 17
3.1. AT+IPR 设置 TE-TA 固定的本地波特率 ................................................................................. 17
3.2. AT+QEAUART* 设置双串口功能 ........................................................................................... 18
4 (U)SIM 卡相关命令 .............................................................................................................................. 21
4.1. AT+CPIN 输入 PIN 码 ............................................................................................................ 21
4.2. AT+CIMI 查询国际移动用户识别码........................................................................................ 22
4.3. AT+QCCID USIM 卡识别 ....................................................................................................... 23
5 网络服务命令....................................................................................................................................... 25
5.1. AT+CSQ 上报信号质量 .......................................................................................................... 25
5.2. AT+CESQ 扩展信号质量 ....................................................................................................... 26
5.3. AT+CEREG EPS 网络注册状态 ............................................................................................ 28
5.4. AT+CGATT PS 附着与去附着 ................................................................................................ 32
5.5. AT+QCGDEFCONT 设置默认 PDP 上下文 ........................................................................... 33
5.6. AT+CGDCONT 定义 PDP 上下文 ......................................................................................... 35
5.7. AT+CGACT 激活或停用 PDP 上下文 .................................................................................... 37
5.8. AT+CGPADDR 显示 PDP 地址.............................................................................................. 39
5.9. AT+CSCON 信令连接状态 .................................................................................................... 41
5.10. AT+COPS 运营商选择 ........................................................................................................... 43
5.11. AT+CPSMS 省电模式设置 .................................................................................................... 45
5.12. AT+CEDRXS eDRX 设置 ...................................................................................................... 47
5.13. AT+CEDRXRDP 查询动态 eDRX 参数.................................................................................. 50
5.14. AT+QBAND 获取和设置工作频段 .......................................................................................... 52
5.15. AT+QLOCKF 锁定 NB-IoT EARFCN ..................................................................................... 54